Integrated Services Digital Network.
ISP
Internet Service Provider
LAN
Local Area Network
LED
light emitting diode
MAC
Media Access Control
MAU
Media Attachment Unit
Mbus
Maintenance bus. A router's monitoring system.
Network Termination (NT1)
network termination 1. In ISDN, a device that provides the interface between customer premises equipment
and central office switching equipment.
NFPA
National Fire Protection Association
nm
nanometer
Nonvolatile Random−Access Memory (NVRAM)
nonvolatile RAM. RAM that retains its contents when a unit is powered off.
NPM
network processor module
NVRAM
nonvolatile RAM
20614 Cisco Installing and Maintaining Routers Part 4: 12000 GSR Series and XS5032 Modules
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